Ice Detector NSN 6340-01-643-7756

Item Description

A device designed to detect icing conditions and provide an ice warning signal when the ice accretion reaches a preset level. The device may also transmit an electrical signal which can be used to control operation of the ice protection system.

NSN: 6340-01-643-7756

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Features and Characteristics

Ac Voltage Rating

24.0 volts

Usage Design

Field and aircraft

Design Type

Nontripod mounting

Unpackaged Unit Weight

0.7 pounds

Media Detected

Ice and water

Part Name Assigned By Controlling Agency

Freezing-rain sensor

Special Features

Output format: rs-422 output operates at 9600 bps; input voltage: 22 to 29.5 vdc; sensing mode: 5 w max; delcing mode: 27 w max; temperature range: operating: -55 degree to 77 degree celcius; storage: -65 degree to 90 degree celcius; random vibration: 7.9 grm (do-160c category e) ; base diameter: 2.88 in; base height: 3.81 in; plate size: 2.9x2.9x0.085 in; operating modes: sensing: operating with no ice or with probe ice thicknes below the set point.Deicing: operating with probe ice thickness exceeding the set point.

Functional Description

Determine the presence of icing conditions. Its main component is a nickel allow rod that has a natural resonant frequency of 40khz. As ice collects on the rod, the added mass cause the resonant frequency to decrease. When the frequency decreases to 130h (or 0.02-in layer of ice) an internal heater automatically defrosts the sensor.

FSC

6340 Aircraft Alarm And Signal Systems

NIIN

016437756

NSN

6340016437756

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

0871LH1

Cage Code:

59885

Status:

MSDS:

Part Number:

M482221-00

Cage Code:

3A3G4

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8531900002
NAICS: 335999
SITC: 77885
Description: Parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi
End Use (Code 20005):
Electric apparatus

Q & A

Frequently asked questions for NSN 6340-01-643-7756

What are the manufacturers of nsn 6340016437756?

Rosemount Aerospace Inc. (59885)
All Weather, Inc. (3A3G4)

Does this nsn 6340016437756 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6340016437756
A device designed to detect icing conditions and provide an ice warning signal when the ice accretion reaches a preset level. the device may also transmit an electrical signal which can be used to control operation of the ice protection system.

Does nsn 6340016437756 contain any precious metals?
No precious metal content.

Does nsn 6340016437756 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6340016437756?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

36760

FIIG:

T394-A

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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